CN211202490U - Wear-resisting type piston rod - Google Patents
Wear-resisting type piston rod Download PDFInfo
- Publication number
- CN211202490U CN211202490U CN201922417613.6U CN201922417613U CN211202490U CN 211202490 U CN211202490 U CN 211202490U CN 201922417613 U CN201922417613 U CN 201922417613U CN 211202490 U CN211202490 U CN 211202490U
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- piston rod
- oil
- rod
- wear
- fixedly connected
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Abstract
The utility model discloses a wear-resisting type piston rod relates to piston rod technical field, has increased the wearability on surface to current piston rod, but frequent friction between piston rod and the rod cover still reduces the life of piston rod easily. And the piston rod and the rod sleeve are tightly sleeved, so that lubricating oil is not easy to be added at the joint of the piston rod and the rod sleeve for lubrication. The utility model discloses a ball and the design of leading the oilhole are convenient for continuously paint the surface of piston rod main part with lubricating oil, reduce the friction damage between piston rod main part and the rod cover, through the design of leading the oil groove, are convenient for lead into a plurality of oil holes of leading with the lubricating oil in the oil storage tank, through the design of closing plate and fixed block, are convenient for divide the inside of oil storage tank into two spaces, avoid lubricating oil to continuously spill.
Description
Technical Field
The utility model relates to a piston rod technical field especially relates to a wear-resisting type piston rod.
Background
The piston rod is a connecting component for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and an air cylinder movement executing component, the piston rod is a movement component with frequent movement and high technical requirements, the piston rod is used for connecting the piston and the crosshead, transmitting force acting on the piston and driving the piston to move, and the piston rod is processed by rolling, so that the surface corrosion resistance is improved, the generation or the expansion of fatigue cracks can be delayed, and the fatigue strength of the oil cylinder rod is improved. Through roll forming, a cold hardening layer is formed on the rolled surface, so that the elastic and plastic deformation of the contact surface of the grinding pair is reduced, the wear resistance of the surface of the oil cylinder rod is improved, and meanwhile, the burn caused by grinding is avoided. The reduction in surface roughness after rolling improves the mating properties. Meanwhile, the friction damage to the sealing ring or the sealing element when the piston of the oil cylinder rod moves is reduced, and the overall service life of the oil cylinder is prolonged.
Although the existing piston rod increases the wear resistance of the surface, the frequent friction between the piston rod and the rod sleeve still easily reduces the service life of the piston rod. And the piston rod and the rod sleeve are tightly sleeved, so that lubricating oil is not easy to be added at the joint of the piston rod and the rod sleeve for lubrication.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wear-resisting type piston rod has solved current piston rod and has increased the wearability on surface, but the frequent friction between piston rod and the rod cover still reduces the life of piston rod easily. And the piston rod and the rod sleeve are tightly sleeved, so that lubricating oil is not easy to be added at the joint of the piston rod and the rod sleeve for lubrication.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a wear-resisting type piston rod, includes piston rod main part and rod cover, the rod cover cup joints in the surface of piston rod main part, the inner ring surface distribution of rod cover has been seted up a plurality of and has been led the oilhole, and is single lead the equal movable block in inside of oilhole and be connected with the ball, the inside of rod cover is located one side of leading the oilhole and has been seted up and lead the oil groove, just lead oil groove and all the inside intercommunication of leading the oilhole, the inside of rod cover is located the one end of leading the oil groove and has been seted up the oil storage tank, the one end of oil storage tank with lead the oil groove intercommunication, the surface of rod cover is located the other end of oil storage tank and.
Preferably, a pair of movable cavities is symmetrically formed in the sealing plug, a limiting rod is movably connected to each of the movable cavities, a guide shaft is fixedly connected to each of the movable cavities, and the guide shafts and the limiting rods are in penetrating and sleeved connection.
Preferably, the outer surface of the guide shaft is sleeved with a transverse spring, one end of the transverse spring is fixedly connected with the outer surface of the guide shaft, and the other end of the transverse spring is fixedly connected with the inner wall of the movable cavity.
Preferably, the inner wall symmetry fixedly connected with of oil storage tank is a pair of fixed block, two the equal fixedly connected with reference column of lower surface of fixed block, and two the fixed block has cup jointed the closing plate through the reference column activity.
Preferably, the outer surface of the positioning column is sleeved with a vertical spring, the top end of the vertical spring is fixedly connected with the lower surface of the sealing plate, and the bottom end of the vertical spring is fixedly connected with the outer surface of the positioning column.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a design of ball and oil guide hole, be convenient for continuously paint the surface of piston rod main part with lubricating oil, reduce the friction damage between piston rod main part and the rod cover, through the design of leading the oil groove, be convenient for lead into a plurality of oil guide holes with the lubricating oil in the oil storage tank, through the design of closing plate and fixed block, be convenient for divide the inside of oil storage tank into two spaces, avoid lubricating oil to continuously spill, design through sealing plug and oil filler point, be convenient for lubricating oil add and to the jam of oil storage tank, design through the gag lever post, be convenient for avoid the sealing plug to deviate from the oil filler point.
Drawings
Fig. 1 is a front view connecting cross-sectional view of a wear-resistant piston rod main body and a rod sleeve provided by the utility model;
fig. 2 is an enlarged schematic view of a partial structure in the main body of the wear-resistant piston rod of the present invention.
In the figure: 1 piston rod main part, 2 pole covers, 3 balls, 4 oil guide grooves, 5 oil guide holes, 6 oil storage tanks, 7 fixed blocks, 8 sealing plates, 9 positioning columns, 10 vertical springs, 11 oil injection holes, 12 sealing plugs, 13 movable cavities, 14 limiting rods, 15 guide shafts and 16 transverse springs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a wear-resisting type piston rod, including piston rod main part 1 and rod cover 2, rod cover 2 cup joints in the surface of piston rod main part 1, rod cover 2's inner ring surface distribution has seted up a plurality of and has led oilhole 5, the inside equal movable clamping that singly leads oilhole 5 is connected with ball 3, rod cover 2's inside is located one side of leading oilhole 5 and has seted up leads oil groove 4, and lead oil groove 4 and all lead the inside intercommunication of oilhole 5, rod cover 2's inside is located the one end of leading oil groove 4 and has seted up oil storage tank 6, the one end of oil storage tank 6 with lead oil groove 4 intercommunication, rod cover 2's surface is located the other end of oil storage tank 6 and has seted up oil filler point 11, the inside block of oil.
In this embodiment, a pair of movable cavities 13 has been seted up to the inside symmetry of sealing plug 12, and the equal swing joint in inside of single movable cavity 13 has a gag lever post 14, and the equal fixedly connected with guiding axle 15 in inside of single movable cavity 13, and guiding axle 15 and gag lever post 14 run through and cup joint.
In this embodiment, the outer surface of the guide shaft 15 is sleeved with a transverse spring 16, one end of the transverse spring 16 is fixedly connected with the outer surface of the guide shaft 15, and the other end of the transverse spring 16 is fixedly connected with the inner wall of the movable cavity 13.
In this embodiment, a pair of fixed block 7 of inner wall symmetry fixedly connected with of oil storage tank 6, reference column 9 of the equal fixedly connected with of lower surface of two fixed blocks 7, and closing plate 8 has been cup jointed through reference column 9 activity to two fixed blocks 7.
In this embodiment, the surface of reference column 9 has cup jointed vertical spring 10, and the top of vertical spring 10 and the lower fixed surface of closing plate 8 are connected, and the bottom of vertical spring 10 and the surface fixed connection of reference column 9.
In this embodiment, the piston rod body 1 drives the ball 3 to rotate when performing piston motion in the rod sleeve 2, the ball 3 applies the lubricating oil in the oil storage tank 6 to the outer surface of the piston rod body 1 through the oil guide hole 5 by rotation, thereby reducing the friction damage between the piston rod body 1 and the rod sleeve 2, the lubricating oil can form an oil seal phenomenon when being stored in the oil storage tank 6, when the amount of the lubricating oil in the oil storage tank 6 is reduced, the pressure in the oil storage tank 6 is reduced, the sealing plate 8 is pushed towards the oil storage tank 6 by the external air pressure, so that the lubricating oil on the top side of the sealing plate 8 enters the oil storage tank 6 through the gap between the sealing plate 8 and the fixed block 7, as the amount of the lubricating oil in the oil storage tank 6 is increased, the pressure in the oil storage tank 6 is increased, the sealing plate 8 is jacked up again, the sealing plate 8 is sealed and tightly attached to the fixed, need block up through sealing plug 12 after injecting into oil storage tank 6 through oil filler point 11 with lubricating oil, at first pinch the top of two gag lever posts 14, make two gag lever posts 14 draw close each other, block into oil filler point 11 with sealing plug 12 afterwards in, and release gag lever post 14, horizontal spring 16 promotes two gag lever posts 14 to the inner wall department of oil filler point 11 through elastic thrust, the bottom that makes gag lever post 14 blocks each other with the inner wall of oil filler point 11, avoid sealing plug 12 to deviate from in the oil filler point 11.
In conclusion, through ball 3 and the design of leading oilhole 5, be convenient for continuously paint piston rod main part 1's surface with lubricating oil, reduce the friction damage between piston rod main part 1 and the rod cover 2, through the design of leading oil groove 4, be convenient for with the leading-in a plurality of oil holes 5 of leading of lubricating oil in the oil storage tank 6, design through closing plate 8 and fixed block 7, be convenient for divide the inside of oil storage tank 6 into two spaces, avoid lubricating oil to continuously spill, design through sealing plug 12 and oil filler point 11, be convenient for the joining of lubricating oil and the jam to oil storage tank 6, design through gag lever post 14, be convenient for avoid the sealing plug 12 to deviate from in the oil filler point 11.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A wear-resistant piston rod comprises a piston rod main body (1) and a rod sleeve (2), it is characterized in that the rod sleeve (2) is sleeved on the outer surface of the piston rod main body (1), a plurality of oil guide holes (5) are distributed on the surface of the inner ring of the rod sleeve (2), balls (3) are movably clamped and connected inside each oil guide hole (5), an oil guide groove (4) is arranged at one side of the oil guide hole (5) in the rod sleeve (2), the oil guide groove (4) is communicated with the insides of all the oil guide holes (5), an oil storage groove (6) is arranged at one end of the rod sleeve (2) which is positioned at the oil guide groove (4), one end of the oil storage tank (6) is communicated with the oil guide tank (4), the other end of the outer surface of the rod sleeve (2) which is located at the oil storage tank (6) is provided with an oil filling hole (11), and the inner clamping of the oil filling hole (11) is connected with a sealing plug (12).
2. A wear-resistant piston rod according to claim 1, wherein a pair of movable cavities (13) is symmetrically formed in the sealing plug (12), a limiting rod (14) is movably connected to each of the movable cavities (13), a guide shaft (15) is fixedly connected to each of the movable cavities (13), and the guide shaft (15) is sleeved with the limiting rod (14) in a penetrating manner.
3. A wear-resistant piston rod according to claim 2, characterized in that a transverse spring (16) is sleeved on the outer surface of the guide shaft (15), one end of the transverse spring (16) is fixedly connected with the outer surface of the guide shaft (15), and the other end of the transverse spring (16) is fixedly connected with the inner wall of the movable cavity (13).
4. A wear-resistant piston rod according to claim 1, characterized in that a pair of fixed blocks (7) are symmetrically and fixedly connected to the inner wall of the oil storage tank (6), a positioning column (9) is fixedly connected to the lower surfaces of the two fixed blocks (7), and a sealing plate (8) is movably sleeved on the two fixed blocks (7) through the positioning column (9).
5. A wear-resistant piston rod according to claim 4, characterized in that a vertical spring (10) is sleeved on the outer surface of the positioning column (9), the top end of the vertical spring (10) is fixedly connected with the lower surface of the sealing plate (8), and the bottom end of the vertical spring (10) is fixedly connected with the outer surface of the positioning column (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922417613.6U CN211202490U (en) | 2019-12-30 | 2019-12-30 | Wear-resisting type piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922417613.6U CN211202490U (en) | 2019-12-30 | 2019-12-30 | Wear-resisting type piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211202490U true CN211202490U (en) | 2020-08-07 |
Family
ID=71857459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922417613.6U Expired - Fee Related CN211202490U (en) | 2019-12-30 | 2019-12-30 | Wear-resisting type piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211202490U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177087A (en) * | 2020-10-28 | 2021-01-05 | 安徽丰进机械有限公司 | Piston guide structure for hydraulic breaking hammer and working method |
| CN115284472A (en) * | 2022-08-10 | 2022-11-04 | 陈鹏 | Rubber internal mixer and internal mixing process thereof |
-
2019
- 2019-12-30 CN CN201922417613.6U patent/CN211202490U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177087A (en) * | 2020-10-28 | 2021-01-05 | 安徽丰进机械有限公司 | Piston guide structure for hydraulic breaking hammer and working method |
| CN112177087B (en) * | 2020-10-28 | 2022-03-01 | 安徽丰进机械有限公司 | Piston guide structure for hydraulic breaking hammer and working method |
| CN115284472A (en) * | 2022-08-10 | 2022-11-04 | 陈鹏 | Rubber internal mixer and internal mixing process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200807 Termination date: 20211230 |